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66157 (1998 UJ26)
Classification: Main-belt Asteroid          SPK-ID: 2066157
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1679427063815484 3.5173e-08  
a 3.171176276005672 2.2507e-08 au
q 2.638600349800319 1.2088e-07 au
i 5.904141772075271 4.6316e-06 deg
node 133.6513356221768 3.5351e-05 deg
peri 278.3354990206922 3.8817e-05 deg
M 321.7372353822299 1.407e-05 deg
tp 2459419.731445769178
(2021-Jul-24.23144577)
8.0474e-05 TDB
period 2062.666439953229
5.65
2.196e-05
6.012e-08
d
yr
n .1745313701851682 1.8581e-09 deg/d
Q 3.703752202211024 2.6287e-08 au
  Orbit Determination Parameters
   # obs. used (total)      801  
   data-arc span      10335 days (28.30 yr)  
   first obs. used      1992-09-22  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5503  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:19:53  

Additional Information
 Earth MOID = 1.65701 au 
 Jupiter MOID = 1.70543 au 
 T_jup = 3.172 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.81   n/a E2021B10  

66157 (1998 UJ26)          Discovered 1998-Oct-18 by Elst, E. W. at La Silla
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 UJ26 = 1992 SU22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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